@misc{algnotes,
 author    = "J. Håstad",
 title     = "Notes for the course advanced algorithms",
 year      =  2000,
 note = {Accessed online <\url{http://www.csc.kth.se/utbildning/kth/kurser/DD2440/avalg07/algnotes.pdf}> (2012-01-05)}
}

@incollection{tsp,
    author = {D.S. Johnson and L.A. McGeoch},
    booktitle = {Local Search in Combinatorial Optimization},
    title = {The Traveling Salesman Problem: A Case Study in Local Optimization},
    note = {Accessed online <\url{http://www2.research.att.com/~dsj/papers/TSPchapter.pdf}> (2012-01-03)},
    year = {1997}
}

@article{dtsp,
  author    = {M.L. Fredman and
               D.S. Johnson and
               L.A. McGeoch and
               G. Ostheimer},
  title     = {Data Structures for Traveling Salesmen},
  journal   = {J. Algorithms},
  volume    = {18},
  number    = {3},
  year      = {1995},
  pages     = {432-479},
  note = {Accessed online <\url{http://www2.research.att.com/~dsj/papers/DTSP.pdf}> (2012-01-03)}
}



﻿@article {k_opt,
   author = {F. Mendivil and R. Shonkwiler and M.C. Spruill},
   title = {Analysis of Random Restart and Iterated Improvement for Global Optimization with Application to the Traveling Salesman Problem},
   journal = {Journal of Optimization Theory and Applications},
   issn = {0022-3239},
   pages = {407-433},
   volume = {124},
   number = {2},
   note = {Accessed online <\url{http://people.math.gatech.edu/~shenk/Research/Optimization/RR+II.pdf}> (2012-01-03)},
   year = {2005}
}

@article{LKHReport,
    author = {Helsgaun, Keld},
    issn = {03772217},
    journal = {European Journal of Operational Research},
    month = oct,
    number = {1},
    pages = {106--130},
    title = {{An effective implementation of the Lin--Kernighan traveling salesman heuristic}},
    note = {Accessed online <\url{http://dx.doi.org/10.1016/S0377-2217(99)00284-2}> (2012-01-07)},
    volume = {126},
    year = {2000}
}

